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參數資料
| 型號： | LD2979XX38 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | VERY LOW DROP VOLTAGE REGULATOR WITH INHIBIT |
| 中文描述： | 很好低壓差電壓調節器抑制研究 |
| 文件頁數： | 3/10頁 |
| 文件大小： | 293K |
| 代理商： | LD2979XX38 |
LD2979 SERIES
3/10
ELECTRICAL CHARACTERISTICS FOR LD2979
(refer to the test circuits, T
a
= 25°C, V
IN
=V
O(NOM)
+1V,
I
O
=1mA, V
INH
=2V
(*)
, C
O
= 1
μ
F) (unless otherwise specified)
(*) Note: Only for types in SOT23-5L
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
Output Voltage
V
IN
= 3.85 V
I
O
= 1 to 50mA
V
IN
= 4 V
I
O
= 1 to 50mA
V
IN
= 4.2 V
I
O
= 1 to 50mA
V
IN
= 4.3 V
I
O
= 1 to 50mA
V
IN
= 4.8 V
I
O
= 1 to 50mA
V
IN
= 6 V
I
O
= 1 to 50mA
2.793
2.736
2.85
2.907
2.964
V
T
a
= -25 to 125
°C
V
O
Output Voltage
2.940
2.880
3
3.060
3.120
V
T
a
= -25 to 125
°C
V
O
Output Voltage
3.136
3.072
3.2
3.264
3.328
V
T
a
= -25 to 125
°C
V
O
Output Voltage
3.234
3.168
3.3
3.366
3.432
V
T
a
= -25 to 125
°C
V
O
Output Voltage
3.724
3.648
3.8
3.876
3.952
V
T
a
= -25 to 125
°C
V
O
Output Voltage
4.9
4.8
5
5.1
5.2
V
T
a
= -25 to 125
°C
I
out
V
O
Output Current Limit
Line Regulation
100
mA
%/V
IN
V
IN
= V
O(NOM)
+1V to 16V, I
O
=
1mA
T
a
= -25 to 125
°C
0.028
0.064
I
d
Quiescent Current (On Mode) I
O
= 0
80
110
170
μ
A
I
O
= 0
I
O
= 50mA
I
O
= 50mA
V
INH
< 0.18 V
V
INH
< 0.18 V
I
O
= 50mA
I
O
= 0
I
O
= 0
I
O
= 1mA
I
O
= 1mA
I
O
= 10mA
I
O
= 10mA
I
O
= 50mA
I
O
= 50mA
Device Off
T
a
= -25 to 125
°C
500
700
1300
T
a
= -25 to 125
°C
Quiescent Current (Off Mode)
(*)
0
μ
A
T
a
= -25 to 125
°C
C
OUT
= 10
μ
F
1
SVR
V
d
Supply Voltage Rejection
Dropout Voltage
f = 120Hz
63
6
dB
mV
12
18
T
a
= -25 to 125
°C
30
60
90
T
a
= -25 to 125
°C
100
200
300
T
a
= -25 to 125
°C
200
400
600
T
a
= -25 to 125
°C
T
a
= -25 to 125
°C (*)
T
a
= -25 to 125
°C (*)
V
IL
V
IH
I
I
Inhibit Input Logic Low
0.18
V
Inhibit Input Logic High
Device On
2
V
μ
A
Inhibit Input Current
V
INH
= 0 V (*)
V
INH
= 5V
BW= 300Hz to 50KHz
0
-1
T
a
= -25 to 125
°C
5
15
eN
Output Noise Voltage (RMS)
C
O
= 10
μ
F
160
μ
V
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| LD2979Z33 | 功能描述:低壓差穩壓器 - LDO 3.3V 50mA Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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